compilation fixes

Fixed compiling and added tinfo link
Removed tinfo link
Reduced compiler version

Author: DevManu-de

Makefile

@@ -1,7 +1,7 @@
 # https://github.com/danielpinto8zz6/c-cpp-project-generator#readme
 
 CC = gcc
-CFLAGS := -Wall -Wextra -g -Werror=missing-declarations -Werror=redundant-decls
+CFLAGS := -std=c11 -Wall -Wextra -g -Werror=missing-declarations -Werror=redundant-decls -D_DEFAULT_SOURCE -pedantic-errors
 LFLAGS = -lncurses
 # OUTPUT := output
 SRC := src

src/main.c

@@ -30,7 +30,7 @@
 static void process_prompt(operation**, char*);
 static void get_input(char*);
 static void apply_operations(numberstack*, operation**);
-static void exit_pcalc_success();
+static void exit_pcalc_success(int);
 
 
 
@@ -135,7 +135,7 @@ int main(int argc, char* argv[])
     }
 
 
-    init_gui(&displaywin, &inputwin);
+    init_gui();
 
     // Set handler for CTRL+C to clean exit
     signal(SIGINT, exit_pcalc_success);
@@ -633,7 +633,7 @@ void exit_pcalc(int code) {
     exit(code);
 }
 
-static void exit_pcalc_success() {
+static void exit_pcalc_success(int d __attribute__((unused))) {
 
     exit_pcalc(0);
 }